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关于123
很简单，但精彩而有趣的益智游戏！
This is a funny number game!
It looks Very simple,it is a simple add and substract,the largest number is 3! but you must give the anwser as fast as you can! if you can anwer 20 question,I think you are the genius of the math!
最新版本1.0的更新日志
Last updated on 2016年10月20日
Minor bug fixes and improvements. Install or update to the newest version to check it out!
游戏玩法和屏幕截图
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